SOS Online Backup vs R2Drive
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
SOS Online Backup
Securely back up and restore data from your mobile devices, laptops, and remote offices to the cloud. Protect your information against accidental deletion, device loss, or cyberattacks. Access and manage your backed-up files from any device.
- Direct-to-cloud backup
- Data recovery
- Cross-device access
- Protection against data loss
- Mobile, laptop, and office support
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SOS Online Backup is a direct-to-cloud backup and recovery solution for mobile devices, laptops, and remote offices. With SOS Online Backup, you can protect data on your devices against accidental deletion, malicious attacks, or device loss. SOS Online Backup for iOS lets you: - Back up data from your device and store it in the cloud. - Access and browse your data backed up from the current device or any other devices you use. - Restore your data backed up from the current device or from any other devices you use.
R2Drive
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R2 Drive is a file manager for S3-compatible cloud storage services including Cloudflare R2, AWS S3, MinIO, and more. FEATURES ⢠Browse, upload, download, and delete files ⢠Create and manage folders ⢠Copy and move files across buckets ⢠Upload directly from camera, photo library, or Files app ⢠Image preview with pinch-to-zoom ⢠Switch between multiple connection profiles ⢠Auto setup with Cloudflare API token ⢠Usage tracking (Class A/B operations) ⢠Cache-Control header presets for uploads SUPPORTED SERVICES ⢠Cloudflare R2 ⢠AWS S3 ⢠MinIO ⢠Any S3-compatible storage SECURITY All credentials are securely stored in the iOS Keychain. No data is sent to third-party servers. Note: An S3-compatible storage account is required to use this app.
Screenshots
Verdict
The clearest difference is update cadence: R2Drive at every 2 days against SOS Online Backup's every 8 months. SOS Online Backup's advantage is iOS requirement (12.3 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SOS Online Backup ships an update every 8 months, R2Drive every 2 days. The most recent releases landed on September 19, 2026 and May 21, 2026 respectively.
| Parameter | SOS Online Backup | R2Drive |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 22.2% of reviews | ā |
| Update frequency | Every 8 months | Every 2 days ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | ā |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPad |
| Requires iOS | 12.3 ā better | 18.0 |
| Further details ā not scored | ||
| Size | 10 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Infrascale, Inc. | Kazuki Higashi |
In-app purchases
SOS Online Backup
No in-app purchases
R2Drive
No in-app purchases





